Cup holder



FIG. 1 is a right side perspective view showing my new design;

FIG. 2 is a top view of the design of FIG. 1;

FIG. 3 is a left side view of the design of FIG. 1, the opposite right side view being a mirror image;

FIG. 4 is a bottom side view of the design of FIG. 1;

FIG. 5 is a rear side view of the design of FIG. 1; and,

FIG. 6 is a front side view of the design of FIG. 1. 

The ornamental design for a cup holder, as shown and described. 